79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
/*
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* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package clang
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import (
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"io"
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"os"
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"os/exec"
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"strings"
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)
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// -----------------------------------------------------------------------------
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// Cmd represents a clang command.
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type Cmd struct {
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app string
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Stdout io.Writer
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Stderr io.Writer
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}
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// New creates a new clang command.
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func New(app string) *Cmd {
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if app == "" {
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app = "clang"
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}
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return &Cmd{app, os.Stdout, os.Stderr}
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}
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func (p *Cmd) Compile(args ...string) error {
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// Parse CFLAGS environment variable into separate arguments
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cflags := strings.Fields(os.Getenv("CFLAGS"))
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if len(cflags) > 0 {
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// Create a new slice with capacity for all arguments
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newArgs := make([]string, 0, len(cflags)+len(args))
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newArgs = append(newArgs, cflags...)
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newArgs = append(newArgs, args...)
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args = newArgs
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}
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return p.Exec(args...)
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}
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func (p *Cmd) Link(args ...string) error {
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// Parse LDFLAGS environment variable into separate arguments
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ldflags := strings.Fields(os.Getenv("LDFLAGS"))
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if len(ldflags) > 0 {
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// Create a new slice with capacity for all arguments
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newArgs := make([]string, 0, len(ldflags)+len(args))
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newArgs = append(newArgs, ldflags...)
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newArgs = append(newArgs, args...)
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args = newArgs
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}
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return p.Exec(args...)
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}
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// Exec executes a clang command.
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func (p *Cmd) Exec(args ...string) error {
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cmd := exec.Command(p.app, args...)
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cmd.Stdout = p.Stdout
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cmd.Stderr = p.Stderr
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return cmd.Run()
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}
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// -----------------------------------------------------------------------------
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